code: def testArgsort(self):
      arr = np.random.random((5, 6, 7, 8))
      for axis in range(4):
          with self.cached_session():
              self.assertAllEqual(
                  np.argsort(arr, axis=axis),
                  sort_ops.argsort(arr, axis=axis),
              )
  
imports: import numpy
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import errors
  from tensorflow.python.framework import ops
  from tensorflow.python.framework import tensor_util
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import random_ops
  from tensorflow.python.ops import sort_ops
  from tensorflow.python.platform import test
label_desc: Use image node_id 16 for calling the SortTest obj's underlying member method code with example usage: obj.testArgsort() without return types